/*
 * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * The Universal Permissive License (UPL), Version 1.0
 *
 * Subject to the condition set forth below, permission is hereby granted to any
 * person obtaining a copy of this software, associated documentation and/or
 * data (collectively the "Software"), free of charge and under any and all
 * copyright rights in the Software, and any and all patent rights owned or
 * freely licensable by each licensor hereunder covering either (i) the
 * unmodified Software as contributed to or provided by such licensor, or (ii)
 * the Larger Works (as defined below), to deal in both
 *
 * (a) the Software, and
 *
 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
 * one is included with the Software each a "Larger Work" to which the Software
 * is contributed by such licensors),
 *
 * without restriction, including without limitation the rights to copy, create
 * derivative works of, display, perform, and distribute the Software and make,
 * use, sell, offer for sale, import, export, have made, and have sold the
 * Software and the Larger Work(s), and to sublicense the foregoing rights on
 * either these or other terms.
 *
 * This license is subject to the following condition:
 *
 * The above copyright notice and either this complete permission notice or at a
 * minimum a reference to the UPL must be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 */
package com.oracle.truffle.dsl.processor.java.model;

import java.util.ArrayList;
import java.util.List;

import javax.lang.model.type.TypeMirror;

public class CodeTree {

    private final CodeTreeKind kind;

    private CodeTree parent;

    private TypeMirror type;
    private final String string;

    private List<CodeTree> children;

    CodeTree(CodeTree parent, CodeTreeKind kind, TypeMirror type, String string) {
        this.parent = parent;
        this.kind = kind;
        this.type = type;
        this.string = string;
    }

    public void setParent(CodeTree parent) {
        this.parent = parent;
    }

    public CodeTree getParent() {
        return parent;
    }

    public TypeMirror getType() {
        return type;
    }

    public void add(CodeTree element) {
        if (children == null) {
            children = new ArrayList<>();
        }
        element.setParent(this);
        children.add(element);
    }

    public final List<CodeTree> getEnclosedElements() {
        return children;
    }

    public final CodeTreeKind getCodeKind() {
        return kind;
    }

    public String getString() {
        return string;
    }

    public void setType(TypeMirror type) {
        this.type = type;
    }

    public boolean isEmpty() {
        return children == null || children.isEmpty();
    }

    public boolean containsKind(CodeTreeKind k) {
        if (this.kind == k) {
            return true;
        }
        if (children != null) {
            for (CodeTree child : children) {
                if (child.containsKind(k)) {
                    return true;
                }
            }
        }
        return false;
    }

    public boolean isSingleLine() {
        return !containsKind(CodeTreeKind.NEW_LINE);
    }

}
